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A PRESSURE-TELEMETERING SYSTEM FOR GUNLAUNCHED MODELS,
NAVAL ORDNANCE LAB WHITE OAK MD
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A pressure-telemetering system was developed for measuring and telemetering base pressures on models launched at transonic speeds in a ballistic range. A simple and rugged transistorized FM-FM telemetering transmitter was contained in a small, cylindrical model. The pressure transducer was a variable reluctance gage. Telemetering signals were picked up in a parallel-wire line and analyzed in standard telemetry receiving station equipment. Details of construction and circuitry are given and typical results are presented. Author
APPROVED FOR PUBLIC RELEASE